“Now, just like I did until the 2017 season, I plan to take the necessary time to be 100% ready to play at my highest level.
“I’m going to miss my fans and the tour, but I’m looking forward to getting everyone back on tour at the start of the 2021 season.”
The 38-year-old recovered from a similar knee injury in 2016, returning to win two grand slams.
The ATP tour is currently postponed at least until the end of July amid a pandemic with which organizers decide to cancel Wimbledon this year.
The U.S. Championships open Aug. 31, and the postponed French Open is set to begin Sept. 20.
Federer has not played competitive tennis since reaching the semi-finals at this year’s Australian Open, where he began battling injuries.
He has earned a total of $ 106.3 million in the past 12 months, making him the first tennis player to be on Forbes ’list of the 100 highest paid athletes in the world.